chore(deps): update dependency sphinx-rtd-theme to v3.0.1

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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sphinx-rtd-theme	3.0.0 -> 3.0.1

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Release Notes

readthedocs/sphinx_rtd_theme (sphinx-rtd-theme)

### [`v3.0.1`](https://redirect.github.com/readthedocs/sphinx_rtd_theme/compare/3.0.0...3.0.1) [Compare Source](https://redirect.github.com/readthedocs/sphinx_rtd_theme/compare/3.0.0...3.0.1)

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Configuration

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Test Results

    40 files  ±0      40 suites  ±0   51m 7s :stopwatch: - 3m 0s    700 tests ±0     700 :white_check_mark: ±0      0 :zzz: ±0  0 :x: ±0  17 000 runs  ±0  15 930 :white_check_mark: ±0  1 070 :zzz: ±0  0 :x: ±0 

Results for commit 87b3fcb1. ± Comparison against base commit df0d93cd.